I have owned a Simian for nearly 2 years, but some new company looks to have fixed all of the issues with the bottom constantly wearing through and the zippers breaking. They are also $70 cheaper with free shipping and appear in stock, i might give one a go, in case your interested
https://www.amazon.com/dp/B06XDZ94G...56563&sr=8-1&keywords=disc+golf+backpack&th=1
https://www.amazon.com/dp/B06XDZ94G...56563&sr=8-1&keywords=disc+golf+backpack&th=1